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on 27 Oct 2021
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% Reference: https://blogs.mathworks.com/cleve/2014/09/15/fft-fast-finite-fourier-transform/
figure(Ren='p')
t=tiledlayout(4,5,TileS='non',Pad='c');
for i = 7:26
nexttile
plot(fft(eye(i))); %original 39
text(-1,1,string(i))
axis square off
end
title(t,'fft(eye(i))',FontN='FixedWidth',FontW='b')
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